That every person who is either elected or appointed to the office of county commissioner of any county in the state of Kansas, who shall willfully violate any provision of law, or fail to perform any duty required of him by law, shall be adjudged guilty of a misdemeanor, and upon conviction thereof shall be fined in a sum not less than fifty (50) nor more than one thousand dollars ($1,000) or by imprisonment in the county jail not less than thirty (30) days nor more than one (1) year, or by both such fine and imprisonment; and shall, before entering upon the duties of his office, execute to the state of Kansas a good and sufficient corporate surety bond, issued by a company authorized to do business in Kansas, in the sum of five thousand dollars ($5,000), conditioned for the faithful performance of the duties of his office. Said bond shall be approved by the register of deeds of such county, and filed in his office.